AMD ATHLON XP 2500+ Barton core.
Markings are as follows - AXDA2500DKV4D Y906704L30327 PQZEA0339MPMW
Can be overclocked to 3200+ speeds by upping the FSB alone from 166 to 200 at default multiplier. This has been tested on an nforce-2 motherboard at 200FSB and 1.85 vcore. Adequate cooling is needed. Selling because it is no longer needed.
Multipliers can be unlocked by using a speedstrip http://www.speed-strip.com/
Asking price is £40 or nearest offer. Will accept most payment methods and NoChex https://www.nochex.com
P&P = £3.75 Royal Mail Special Delivery Next Day